VOD for middle and high school - Mathematics

Beyond endless lists of numbers, statistics enable us, when the data is presented visually, to draw far-reaching conclusions. In the following video, Kim Preshoff presents population pyramids – a visual representation of the population data of a country. He shows population pyramids of various countries and how these pyramids allow us to learn about the countries’ past and predict what the future may hold for them.

What do sunflowers and pinecones have in common with rabbits? What do they all have to do with math? Watch this video from Scientific American’s Instant Egghead series and discover the answer!

Watch the video and discover how many piano tuners are there in Chicago and how you can reach the solution.

The complete phrasing of the question: Why can’t you divide a certain number by zero? Supposedly, the meaning of dividing by zero is that you do not divide the number (you “divide” it to 0 sets…) and so the result should be the same as the number divided?